Carrier 42QTD012DS Series User manual

SERVICE MANUAL
12 18 24K
LIGHT COMMERCIAL

Cassette indoor unit
12 18K
24K
42QTD012DS
42QTD018DS
42QTD024DS
Under-ceiling indoor unit
42QZL018DS
42QZL024DS
Ducted indoor unit
42QSM012DS
42QSM018DS
42QSM024DS
Universal outdoor unit
38QUS012DS
38QUS018DS
38QUS024DS

INDEX
PART1 GENERAL INFORMATION
PART1.1 DUCTED
PART1.2 CASSETTE
PART1.3 UNDERCEILING
PART1.4 OUTDOOR UNIT
PART2 ELECTRICAL DIAGRAM
PART3 TROUBLE SHOOTING

PART – 1
GENERAL INFORMATION
Part 1.1 DUCTED
Part 1.2 CASSETTE
Part 1.3 UNDER-CEILING
Part 1.4 OUTDOOR UNIT

2
PRODUCT LINEUP

3
UNIT MODEL INDENTIFICATION

PART – 1
GENERAL INFORMATION
1.1 DUCT

1
DIMENSIONS
A
C
B
D
J
I
K
Air filter ( optional ) air inlet from rear side
air inlet from bottom side
FE
G
H
Electric control box
Air filter ( optional )
L
4-install hanger
Gas side
Liquid side
M
W1
W2
H1
H2
25 Drain connecting pipe
( for pump )
Test mouth & Test cover
Fresh air intake
25 Drain pipe
25 Drain pipe
Note: standard product without filter Unit: mm
Model
Outline dimension(mm) Air outlet opening size Air return opening size
Size of install
hanger
Size of refrigerant pipe
A B C D E F G H I J K L M H1 H2 W1 W2
42QSM012DS* 700 210 635 570 65 493 35 119 595 200 80 740 350 120 143 95 150
42QSM018DS* 920 210 635 570 65 713 35 119 815 200 80 960 350 120 143 95 150
42QSM024DS* 920 270 635 570 65 713 35 179 815 260 20 960 350 120 143 95 150
Fresh air intake joint

2
INSTALLTION SPACE

3
STATIC PRESSURE